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8030247961 is a prime number
BaseRepresentation
bin1110111101010001…
…11101110000011001
3202201122022212022011
413132220331300121
5112421220413321
63404500025521
7402665660431
oct73650756031
922648285264
108030247961
11345095816a
1216813922a1
139ac8a3c18
145626dd2c1
1531eec2ae1
hex1dea3dc19

8030247961 has 2 divisors, whose sum is σ = 8030247962. Its totient is φ = 8030247960.

The previous prime is 8030247943. The next prime is 8030247997. The reversal of 8030247961 is 1697420308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4379792400 + 3650455561 = 66180^2 + 60419^2 .

It is a cyclic number.

It is not a de Polignac number, because 8030247961 - 211 = 8030245913 is a prime.

It is not a weakly prime, because it can be changed into another prime (8030247941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015123980 + 4015123981.

It is an arithmetic number, because the mean of its divisors is an integer number (4015123981).

Almost surely, 28030247961 is an apocalyptic number.

It is an amenable number.

8030247961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8030247961 is an equidigital number, since it uses as much as digits as its factorization.

8030247961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8030247961 is about 89611.6508105949. The cubic root of 8030247961 is about 2002.5174932010.

The spelling of 8030247961 in words is "eight billion, thirty million, two hundred forty-seven thousand, nine hundred sixty-one".